Agilent Technologies InfiniiVision DSO6014L, Руководство пользователя

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70 6000 Series Oscilloscope User’s Guide
2 Front-Panel Controls
the captured waveform before the trigger (turn the knob
clockwise) or after the trigger (turn the knob counterclockwise).
See
“To set up the Horizontal time base” on page 86.
19. Horizontal Main/Delayed Key
Press this key to access the
menu where you can split the oscilloscope display into Main
and Delayed sections, and where you can select XY and Roll
modes. You can also select horizontal time/division vernier and
select the trigger time reference point on this menu. See
“To set
up the Horizontal time base” on page 86.
20. Horizontal Sweep Speed Control
Turn this knob to adjust the
sweep speed. This changes the time per horizontal division on
the display. When adjusted after the waveform has been
acquired and the oscilloscope is stopped, this has the effect of
stretching out or squeezing the waveform horizontally. See
“To
set up the Horizontal time base” on page 86.
21. Measure Keys
Press the Cursors key to switch on cursors
that you can use for making measurements. Press the Quick
Meas key to access a set of predefined measurements. See
Chapter 5 , “Making Measurements,” starting on page 199.
22. Display
The display shows captured waveforms using a
different color for each channel. For more information about
display modes see
Chapter 6 , “Displaying Data,” starting on
page 251. Signal detail is displayed using 256 levels of intensity.
For more information about viewing signal detail see
“Varying
the intensity to view signal detail” on page 257.
23. Entry Knob
The entry knob is used to select items from
menus and to change values. Its function changes based upon
which menu is displayed. Note that the curved arrow
symbol
above the entry knob illuminates whenever the
entry knob can be used to select a value. Use the entry knob to
select among the choices that are shown on the softkeys.